15690941740

素因数分解:

$2^2\times 5^1\times {\mathrm{64609}}^1\times {\mathrm{12143}}^1$

素因数の和:76761

約数の個数: 24

約数和(自身を含む): 32954201280

約数和(自身を除く): 17263259540

約数列:

[1, 2, 4, 5, 10, 20, 12143, 24286, 48572, 60715, 64609, 121430, 129218, 242860, 258436, 323045, 646090, 1292180, 784547087, 1569094174, 3138188348, 3922735435, 7845470870, 15690941740]

約数ペア:

[(1, 15690941740), (2, 7845470870), (4, 3922735435), (5, 3138188348), (10, 1569094174), (20, 784547087), (12143, 1292180), (24286, 646090), (48572, 323045), (60715, 258436), (64609, 242860), (121430, 129218)]